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Avahi is a zero-configuration networking implementation that contains critical security issues because mDNS operates under a different trust model than unicast DNS trusting the entire network rather than a designated DNS server, it is vulnerable to spoofing attacks by any system within the multicast IP range. Like SNMP and many other network management protocols, it can also be used by attackers to quickly gain detailed knowledge of the network and its machines. [0]

The unfortunate reality is that x86 computers come encumbered with built-in low-level backdoors like the Intel Management Engine , as well as nonfree boot firmware. This means that users can’t gain full control over their computers, even if they install a free operating system such as Hyperbola GNU/Linux-libre .

Hyperbola is working hard to fix these issues and getting closer every day, but for the time being, this is why many current Respects Your Freedom (RYF) offerings are refurbished older devices.

For the future of free computing, we need support architectures that do not come with such malware pre-installed, and the Power9-based Talos II promises to be a great architecture example for workstations and servers environments where Hyperbola is focused since is a fully free long-term support distribution.

Devices like this are the future of computing that Respects Your Freedom and for that reason it’s a high priority for Hyperbola port all packages for the POWER architecture (power64le).

The unfortunate reality is that x86 computers come encumbered with built-in low-level backdoors like the Intel Management Engine , as well as nonfree boot firmware. This means that users can’t gain full control over their computers, even if they install a free operating system such as Hyperbola GNU/Linux-libre .

Hyperbola is working hard to fix these issues and getting closer every day, but for the time being, this is why many current Respects Your Freedom (RYF) offerings are refurbished older devices.

For the future of free computing, we need support architectures that do not come with such malware pre-installed, and ARM A7/A53 promises to be a great architecture example for low-power computers, laptops and embedded systems.

The Arch version of Sage-notebook from the snapshot used by Hyperbola comes with systemd support. Since Hyperbola follows the Init Freedom Campaign , systemd unit files removal is required. OpenRC init script replacement isn’t possible here because Sage-notebook is using a systemd unit file adapted for users instead of system users.

The Arch version of Erlang (headless version) from the snapshot used by Hyperbola comes with systemd support. Since Hyperbola follows the Init Freedom Campaign , systemd unit files removal is required or add OpenRC init scripts to replace it.

The Arch version of Motion from the snapshot used by Hyperbola comes with systemd support. Since Hyperbola follows the Init Freedom Campaign , systemd unit files removal is required or add OpenRC init scripts to replace it.

The Arch version of tinc from the snapshot used by Hyperbola comes with systemd support. Since Hyperbola follows the Init Freedom Campaign , systemd unit files removal is required or add OpenRC init scripts to replace it.

The Arch version of tinc from the snapshot used by Hyperbola comes with systemd support. Since Hyperbola follows the Init Freedom Campaign , systemd unit files removal is required or add OpenRC init scripts to replace it.

Add new a Murmur package capable of working without a graphical user interface. It’s common on servers and embedded devices that requires only interfaces like network (eg. SSH) or serial port to handle services.

Add an Asterisk package capable of working without a graphical user interface. It’s common on servers and embedded devices that requires only interfaces like network (eg. SSH) or serial port to handle services.

In generate_jsimd_ycc_rgb_convert_neon of jsimd_arm64_neon.S, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution in an unprivileged process with no additional execution privileges needed. User interaction is needed for exploitation

The Knock patches for linux-libre maintained by you at https://git.hyperbola.info:50100/kernels/knock.git/ have support up to linux-libre 4.13 only (and I think it didn’t work for it when I tried it, compilation failed) but from all of those supported versions, the newest maintained generation by the upstream is 4.9.x

However, since newer kernel generations might require reprogramming the patch, I want to request it only for the latest LTS generation which is 4.14. As you know, LTS software are supported for a long time, so it’s worth to make it for linux-libre 4.14.x

This might not be really important for Hyperbola in the short term, but you are the maintainers of the TCP Stealth implementation for Linux-libre and I and maybe other people would like to use it in their projects for newer versions.

Plus, it would be great since while 4.9 kernels can use the GRSec+Knock combination like linux-libre-lts-unofficial-grsec-knock, with support for 4.14 anyone would be able to use a combination of newer patches such as Linux-hardened+Knock (Linux-hardened supports 4.14 and 4.15 as of now) which is what I’d like to do. https://github.com/copperhead/linux-hardened/releases

The Arch version of “supervisor” from the snapshot used by Hyperbola comes with systemd support. Since Hyperbola follows the a global ruleset for INIT-freedom, systemd unit files removal is required and adding support for other init-systems (preferred OpenRC for now) to replace it.

I recently acquired a T400 Thinkpad with 1440×900 panel.On this T400, I installed Hyperbola, just like on my x200 Thinkpad with 1280×800 panel.

Both Thinkpad are running the same Hyperbola installation :

Full disk encryption (with Libreboot) so both Thinkpad are using early KMS (MODULES=”i915” in /etc/mkinitcpio.conf)Same kernel : linux-libre-lts (4.9.99 at the moment I’m writing this message)video driver : modesettingDE : xfce4 with xfwm4

On the Thinkpad x200, everything works great, no issue to report.

On the T400 though, the linux-libre-lts kernel, I’m getting random display freezes, when it happens, this message appears in dmesg :

With 4.14.40 : Same issue as with 4.9.99 kernel from Hyperbola repo.With 4.16.8 : Issue is not present ! No more freeze !

I’m not sure how to proceed though. Would you be kind enough helping me to find which commit in i915 driver improved the situation ? If we find it, maybe it could be added as a patch to 4.9.x kernel series.Or maybe it is something else.. I don’t have much experience, I can provide logs if needed.

Remotely observable behavior in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states ‘We understand that the OpenSSH developers do not want to treat such a username enumeration (or “oracle”) as a vulnerability.’ https://security-tracker.debian.org/tracker/CVE-2018-15919